A star was on the bench, an early lead erased and a home crowd getting rowdy did not deter the Boilermakers at Iowa.

With Purdue's win over Iowa and Michigan State's loss to UCLA, the Boilermakers are now sitting atop the Big Ten standings alone.

The race for the top spot in the Big Ten between Michigan State, Purdue and Michigan is heating up. So, too, is a battle for a top-four seed in the B1G Tourney.

Iowa, Illinois and Indiana all made jumps, while Michigan and Minnesota took tumbles in the latest Big Ten women's basketball power rankings.